[AMD Official Use Only - Approved for External Use] Hi Guenter, Salvatore > This is very unusual, and may mess up the "sensors" command. > What problem is this trying to solve ? Guenter, sorry for the delayed response. This fix is required to address the possible side channel attack reported in CVE-2020-12912. >> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1897402&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=RCD5UPLJwh4NkUWf2Uq2r0PTYUC0f6DFDWLAQsrRJZI%3D&reserved=0 >> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsupport.lenovo.com%2Flu%2Fuk%2Fproduct_security%2FLEN-50481&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=qBqjid0icKwjI%2Bz38twQqLUYwDzTfvCTF%2Bxzu0dXivY%3D&reserved=0 >> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcve.mitre.org%2Fcgi-bin%2Fcvename.cgi%3Fname%3DCVE-2020-12912&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=xftV%2FNo3SvC3sHVKzq74m%2B4OmlYXKjSnSHjebcL%2FGQQ%3D&reserved=0 >> ? Yes, Salvatore, thanks for bringing the links. Regards, Naveenk -----Original Message----- From: Salvatore Bonaccorso <salvatore.bonaccorso@xxxxxxxxx> On Behalf Of Salvatore Bonaccorso Sent: Friday, November 13, 2020 7:29 PM To: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: Chatradhi, Naveen Krishna <NaveenKrishna.Chatradhi@xxxxxxx>; linux-hwmon@xxxxxxxxxxxxxxx; naveenkrishna.ch@xxxxxxxxx; stable@xxxxxxxxxxxxxxx Subject: Re: [PATCH] hwmon: amd_energy: modify the visibility of the counters [CAUTION: External Email] Hi, On Thu, Nov 12, 2020 at 09:24:22AM -0800, Guenter Roeck wrote: > On 11/12/20 9:21 AM, Naveen Krishna Chatradhi wrote: > > This patch limits the visibility to owner and groups only for the > > energy counters exposed through the hwmon based amd_energy driver. > > > > Cc: stable@xxxxxxxxxxxxxxx > > Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > Signed-off-by: Naveen Krishna Chatradhi <nchatrad@xxxxxxx> > > This is very unusual, and may mess up the "sensors" command. > What problem is this trying to solve ? Is this related to https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.redhat.com%2Fshow_bug.cgi%3Fid%3D1897402&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=RCD5UPLJwh4NkUWf2Uq2r0PTYUC0f6DFDWLAQsrRJZI%3D&reserved=0 https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsupport.lenovo.com%2Flu%2Fuk%2Fproduct_security%2FLEN-50481&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=qBqjid0icKwjI%2Bz38twQqLUYwDzTfvCTF%2Bxzu0dXivY%3D&reserved=0 https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcve.mitre.org%2Fcgi-bin%2Fcvename.cgi%3Fname%3DCVE-2020-12912&data=04%7C01%7CNaveenKrishna.Chatradhi%40amd.com%7C7672335ee2904d59fb5008d887dc381b%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637408727764403328%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=xftV%2FNo3SvC3sHVKzq74m%2B4OmlYXKjSnSHjebcL%2FGQQ%3D&reserved=0 ? Regards, Salvatore
